CN211715785U - Novel flow regulating device - Google Patents
Novel flow regulating device Download PDFInfo
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- CN211715785U CN211715785U CN201922268344.1U CN201922268344U CN211715785U CN 211715785 U CN211715785 U CN 211715785U CN 201922268344 U CN201922268344 U CN 201922268344U CN 211715785 U CN211715785 U CN 211715785U
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Abstract
The utility model discloses a novel flow regulating device, which comprises a shell, wherein the shape of the shell is a square structure, and an internal flow passage is a cylindrical structure; the inlet end of the shell is connected with the combined joint through threads and is matched and sealed with the combined gasket; the other end of the combined joint is connected with an inlet pipeline through a movable joint; a valve core is arranged in the flow passage of the shell; the upper part of the valve core is of a conical structure, and the lower part of the valve core is of a cylindrical structure; a gland bush with a T-shaped cylinder structure is arranged at the lower part of the shell; the upper part of a central circular hole of the gland is a smooth cylinder which is matched with the valve core through a Stent combined seal; the lower part of the gland is of an internal thread structure and is connected with the valve core. Compared with the traditional flow regulating valve, the conical flow regulating valve has the advantages of simple structure, easiness in mastering of installation and operation industries, convenience in overhauling and maintenance, attractive appearance, high regulating precision, low running noise and vibration and the like.
Description
Technical Field
The utility model belongs to the technical field of flow control valve, concretely relates to novel flow control device.
Background
At present, the flow regulating valve widely used in the industries of metallurgy, petrifaction, water and electricity, machinery and the like has a complex structure or control logic. Similar to the less flow control valve of stop valve structure, size, in case the scale deposit blocks up, can only dismantle the governing valve from the trunk line and overhaul, because the business turn over of governing valve, export runner are not on same central line, in addition the effect of blockking of adjusting the case, need directly disintegrate the back with the governing valve usually and just can thoroughly dredge the runner, not only waste time, difficultly moreover. In actual production, run into the position that the pipeline diameter is great, the space is comparatively narrow and small, still often choose for use gate valve or butterfly valve to replace flow control valve to adjust pipeline flow, because the structure limits, adopt gate valve or butterfly valve throttle not only noise, vibration are big, in case the counter water hammer effect appears moreover, local atress is too big can cause the incident such as case damage, flange bolt fracture, fluid leak.
Disclosure of Invention
The utility model aims to solve the technical problem that a novel flow control device is provided, the device adjusting valve core adopts the toper structure, compares with traditional flow control valve, has simple structure, installation and operation industry grasp easily, overhaul maintain convenient, handsome in appearance, adjust advantages such as precision height, running noise and vibration are less.
In order to realize the above design, the utility model adopts the following technical scheme: a novel flow regulating device comprises a shell, wherein the shell is of a square structure, and an internal flow passage is of a cylindrical structure; the inlet end of the shell is connected with the combined joint through threads and is matched and sealed with the combined gasket; the other end of the combined joint is connected with an inlet pipeline through a movable joint; a valve core is arranged in the flow passage of the shell; the upper part of the valve core is of a conical structure, and the lower part of the valve core is of a cylindrical structure; a gland bush with a T-shaped cylinder structure is arranged at the lower part of the shell; the upper part of a central circular hole of the gland is a smooth cylinder which is matched with the valve core through a Stent combined seal; the lower part of the gland is of an internal thread structure and is connected with the valve core.
The bottom of the gland is connected with the shell through a gland bolt.
The upper portion of the gland is provided with two U-shaped grooves, the bottom of the shell is provided with a U-shaped sealing groove, and three seals are formed in a conformal mode.
The other end of the shell is also provided with an outlet pipeline, and the structure of the outlet pipeline is the same as that of the inlet pipeline.
And two U-shaped grooves are formed in the cylinder at the lower part of the valve core and are sealed with the inner wall of the gland in a matching way through a stet combined seal.
The cylinder at the lower half part of the valve core is of a screw structure and is connected with the gland through threads, and the valve core is locked by a locking nut; the bottom of cylinder is for adjusting square head, with instrument cooperations such as spanner.
A novel flow regulating device comprises a shell, wherein the shell is of a square structure, and an internal flow passage is of a cylindrical structure; the inlet end of the shell is connected with the combined joint through threads and is matched and sealed with the combined gasket; the other end of the combined joint is connected with an inlet pipeline through a movable joint; a valve core is arranged in the flow passage of the shell; the upper part of the valve core is of a conical structure, and the lower part of the valve core is of a cylindrical structure; a gland bush with a T-shaped cylinder structure is arranged at the lower part of the shell; the upper part of a central circular hole of the gland is a smooth cylinder which is matched with the valve core through a Stent combined seal; the lower part of the gland is of an internal thread structure and is connected with the valve core. Compared with the traditional flow regulating valve, the conical flow regulating valve has the advantages of simple structure, easiness in mastering of installation and operation industries, convenience in overhauling and maintenance, attractive appearance, high regulating precision, low running noise and vibration and the like.
In a preferred scheme, the bottom of the gland is connected with the shell through a gland bolt; the gland upper portion is provided with two U type grooves, and the casing bottom is provided with U type seal groove, and the conformal formation three is sealed. Simple structure, when using, the lower part adopts 90 sealing washers, has guaranteed the leakproofness of the device.
In a preferred scheme, the other end of the shell is also provided with an outlet pipeline, and the structure of the outlet pipeline is the same as that of the inlet pipeline. The structure is simple, when the valve is used, liquid flows into the cavity B from the cavity A of the flow channel and is discharged through the outlet pipeline, and the flow rate of the liquid is increased along with the increase of the clearance of the position of the valve core.
In the preferred scheme, two U-shaped grooves are arranged on a cylinder at the lower part of the valve core and are matched and sealed with the inner wall of the gland through a stet combined seal; the cylinder at the lower half part of the valve core is of a screw structure and is connected with the gland through threads, and the valve core is locked by a locking nut; the bottom of cylinder is for adjusting square head, with instrument cooperations such as spanner. The structure is simple, when in use, the adjusting square head at the end part is screwed by a wrench, and when the conical surface of the valve core is contacted with the conical surface at the upper part of the flow passage of the shell, the throttling device is in a complete throttling state; when the conical surface of the valve core moves downwards, the gap between the conical surface of the valve core and the conical surface of the upper part of the flow channel is larger and larger, and the flow of the fluid is increased along with the increase of the gap, so that the adjustment of the flow is realized.
A novel flow regulating device comprises a shell, wherein the shell is of a square structure, and an internal flow passage is of a cylindrical structure; the inlet end of the shell is connected with the combined joint through threads and is matched and sealed with the combined gasket; the other end of the combined joint is connected with an inlet pipeline through a movable joint; a valve core is arranged in the flow passage of the shell; the upper part of the valve core is of a conical structure, and the lower part of the valve core is of a cylindrical structure; a gland bush with a T-shaped cylinder structure is arranged at the lower part of the shell; the upper part of a central circular hole of the gland is a smooth cylinder which is matched with the valve core through a Stent combined seal; the lower part of the gland is of an internal thread structure and is connected with the valve core. Compared with the traditional flow regulating valve, the conical flow regulating valve has the advantages of simple structure, easiness in mastering of installation and operation industries, convenience in overhauling and maintenance, attractive appearance, high regulating precision, low running noise and vibration and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures are: the device comprises a shell 1, a movable joint 12, a combined joint 13, a combined gasket 14, a valve core 2, a gland 3, an inlet pipeline 4, an outlet pipeline 5, an adjusting square head 6, a locking nut 7, a gland bolt 8 and a Stent combined seal 10.
Detailed Description
As shown in fig. 1, a novel flow regulating device comprises a shell 1, wherein the shell 1 is of a square structure, and an internal flow passage is of a cylindrical structure; the inlet end of the shell 1 is connected with a combined joint 13 through threads and is matched and sealed with a combined gasket 14; the other end of the combined joint 13 is connected with the inlet pipeline 4 through a movable joint 12; a valve core 2 is arranged in a flow passage of the shell 1; the upper part of the valve core 2 is of a conical structure, and the lower part of the valve core is of a cylindrical structure; a gland 3 with a T-shaped cylinder structure is arranged at the lower part of the shell 1; the upper part of a central round hole of the gland 3 is a smooth cylinder and is matched with the valve core 2 through a Stent combined seal 10; the lower part of the gland 3 is of an internal thread structure and is connected with the valve core 2. Compared with the traditional flow regulating valve, the conical regulating valve core 2 of the device has the advantages of simple structure, easiness in mastering of installation and operation industries, convenience in overhauling and maintenance, attractive appearance, high regulating precision, low running noise and vibration and the like.
Preferably, the bottom of the gland 3 is connected with the shell 1 through a gland 3 bolt; the upper portion of gland 3 is provided with two U type grooves, and 1 bottom of casing is provided with U type seal groove, and the conformal formation three is sealed. Simple structure, when using, the lower part adopts 90 sealing washers, has guaranteed the leakproofness of the device.
Preferably, the other end of the housing 1 is further provided with an outlet duct 5, and the outlet duct 5 has the same structure as the inlet duct 4. The structure is simple, when the valve core is used, liquid flows into the cavity B from the cavity A of the flow channel and is discharged through the outlet pipeline 5, and the flow rate of the liquid is increased along with the increase of the gap of the position of the valve core 2.
Preferably, two U-shaped grooves are formed in a cylinder at the lower part of the valve core 2 and are sealed with the inner wall of the gland 3 in a matched mode through a Stent combined seal 10; the cylinder at the lower half part of the valve core 2 is of a screw structure and is connected with the gland 3 through threads, and the valve core 2 is locked by a locking nut 7; the bottom of cylinder is for adjusting square head 6, with instrument cooperations such as spanner. The structure is simple, when in use, the adjusting square head 6 at the end part is screwed by a wrench, and when the conical surface of the valve core 2 is contacted with the conical surface at the upper part of the flow passage of the shell 1, the throttling device is in a complete throttling state; when the conical surface of the valve core 2 moves downwards, the gap between the conical surface of the valve core 2 and the conical surface of the upper part of the flow channel is larger and larger, and the fluid flow is increased along with the increase of the gap, so that the adjustment of the flow is realized.
The working principle of the novel flow regulating device is as follows:
1. when the upper conical surface of the valve core 2 is contacted with the upper conical surface of the flow passage of the shell 1, the throttling device is in a full throttling state. When the valve core 2 moves downwards, the gap between the conical surface of the valve core 2 and the conical surface of the upper part of the flow channel is larger and larger, fluid in the cavity A of the flow channel flows into the cavity B and is discharged through the outlet pipeline 5, and the fluid flow is increased along with the increase of the gap.
2. The locking nut 7 is loosened, the adjusting square head 6 is rotated by using tools such as a wrench and the like, the flow can be adjusted, the adjusting square head 6 is rotated clockwise when viewed from bottom to top, throttling can be realized, and the flow of the pipeline is reduced; and the adjusting square head 6 is rotated anticlockwise, so that the flow of the pipeline is increased.
3. The valve core 2 is fixed by a gland 3, and two seals, namely a Stent combined seal with excellent wear resistance, are respectively arranged between the gland 3 and the shell 1 as well as between the gland 3 and the valve core 2; when the valve core 2 needs to be overhauled, only the bottom gland 3 of the device needs to be disassembled.
4. The valve core 2 is locked by two locking nuts 7, so that the situation that the position of the valve core 2 jumps due to vibration and the like to cause flow change can be prevented.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (6)
1. A novel flow regulation device is characterized in that: the device comprises a shell (1), wherein the shell (1) is of a square structure, and an internal flow passage is of a cylindrical structure; the inlet end of the shell (1) is connected with the combined joint (13) through threads and is matched and sealed with the combined gasket (14); the other end of the combined joint (13) is connected with the inlet pipeline (4) through a movable joint (12); a valve core (2) is arranged in a flow passage of the shell (1); the upper part of the valve core (2) is of a conical structure, and the lower part of the valve core is of a cylindrical structure; a gland (3) with a T-shaped cylinder structure is arranged at the lower part of the shell (1); the upper part of a central round hole of the gland (3) is a smooth cylinder and is matched with the valve core (2) through a Stent combined seal (10); the lower part of the gland (3) is of an internal thread structure and is connected with the valve core (2).
2. The new flow regulating device of claim 1, wherein: the bottom of the gland (3) is connected with the shell (1) through a gland bolt (8).
3. The new flow regulating device of claim 1, wherein: two U-shaped grooves are formed in the upper portion of the gland (3), U-shaped sealing grooves are formed in the bottom of the shell (1), and three seals are formed in a conformal mode.
4. The new flow regulating device of claim 1, wherein: the other end of the shell (1) is also provided with an outlet pipeline (5), and the structure of the outlet pipeline (5) is the same as that of the inlet pipeline (4).
5. The new flow regulating device of claim 1, wherein: and 2U-shaped grooves are formed in the cylinder at the lower part of the valve core (2) and are sealed with the inner wall of the gland (3) in a matched mode through a stet combined seal (10).
6. The new flow regulating device of claim 1, wherein: the cylinder at the lower half part of the valve core (2) is of a screw structure, is connected with the gland (3) through threads, and is locked by the locking nut (7); the bottom end of the cylinder is provided with an adjusting square head (6) which is matched with a wrench tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268344.1U CN211715785U (en) | 2019-12-17 | 2019-12-17 | Novel flow regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268344.1U CN211715785U (en) | 2019-12-17 | 2019-12-17 | Novel flow regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211715785U true CN211715785U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922268344.1U Active CN211715785U (en) | 2019-12-17 | 2019-12-17 | Novel flow regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211715785U (en) |
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2019
- 2019-12-17 CN CN201922268344.1U patent/CN211715785U/en active Active
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